DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerOptical sensor
Description
The optical sensor converts the outside brightness (lux) to voltage and
transmits the optical sensor signal to the BCM.
Component Function Check
1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT
CONSULT
Turn the ignition switch ON.
Select "OPTICAL SENSOR" of BCM (HEAD LAMP ...
Power door lock system
Wiring Diagram
...
Door switch
Description
Detects door open/close condition.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check door switches DOOR SW-DR, DOOR SW-AS in Data Monitor mode with CONSULT.
Diagnosis Procedure
1.CHECK DOOR SWITCH INPUT SIGNAL
Turn ignition switch OFF.
Check signal between B ...